Shield CQS/SIS mount for Browe BCO

• Optic-specific fit: Designed for the Browe BCO, this mount gives the Shield CQS/SIS sight a secure interface on a prism optic platform, helping maintain a clean, dependable setup.
• Compatible Shield footprint: The Shield SIS/CQS mounting standard ensures correct fitment for matching sights, reducing guesswork when pairing the mount with the intended optic.
• Aluminium construction: The aluminium body keeps weight under control while providing the rigidity needed for a stable sighting platform on a hard-use rifle setup.
• Purpose-built auxiliary sight mount: By placing a compact reflex sight on a magnified combat optic, the mount supports faster transitions to close-range aiming without changing the primary optic.
• Made in the United Kingdom: UK manufacture reflects Shield Sights’ focus on in-house sight and mounting solutions for professional and civilian shooting applications.

About the Shield CQS/SIS Series

The Shield CQS/SIS series is built around mounting solutions for attaching Shield CQS or SIS sights to compatible firearms and optics. Within Shield’s lineup, these mounts serve shooters who want to add a compact reflex sight to an existing platform rather than replace the primary optic. That makes the series especially relevant for rifles and carbines set up for mixed-distance use, where a secondary sight can speed up target acquisition at short range.

The range includes several dedicated formats rather than a one-size-fits-all approach. Shield lists optic-specific mounts for platforms such as the Trijicon ACOG, Elcan Spectre, Browe BCO, and Cassidian/Zeiss ZO, alongside Picatinny options and an adapter plate for Aimpoint T1 and T2 optics. This design philosophy keeps the mounting interface matched to the host optic, which helps preserve a compact profile and practical sight placement. Across the series, the emphasis is on straightforward integration, durable construction, and giving the user a fast secondary aiming solution that complements magnified or prism-based optics.

About the Shield CQS/SIS mount for Browe BCO

The Shield CQS/SIS mount for Browe BCO is a dedicated mount made for pairing a Shield CQS or SIS sight with the Browe BCO prism optic. Its role is simple but important: it creates the correct interface between the compact reflex sight and the host optic, allowing the rifle to carry both a magnified aiming solution and a rapid close-range sight in one package. For users running a prism optic on a general-purpose rifle, that can make transitions between near and intermediate targets more efficient.

The mount uses the Shield SIS/CQS mounting standard, so it is intended for the footprint used by those Shield sights rather than as a universal adapter. That dedicated fit matters in practice because it keeps installation more straightforward and helps maintain proper alignment between sight and mount. The aluminium construction adds the stiffness needed for a stable mounting platform while avoiding unnecessary bulk, which is particularly useful on rifles that already carry a substantial primary optic.

Because this is a model-specific mount for the Browe BCO, its main advantage is integration. Instead of relying on a generic rail solution, it is built for a known optic platform and a known sight standard. The result is a cleaner, more compact arrangement for shooters who want the speed of a reflex sight without giving up the fixed-magnification capability of their prism scope.

About Shield Sights

Shield International was formed in Great Britain in 1983, and the business later became Shield Firearms and Sights Limited in 2013. The company focuses on designing and manufacturing firearm sights for military, law enforcement, and civilian use, with product lines that include mini red dot sights and rifle sights. Shield’s work in compact reflex optics goes back decades, with its original mini red dot sight design dating to 1996.

That long involvement in miniature sight design is particularly relevant to products such as the CQS/SIS mounting system, because Shield has developed both the sights and the interfaces that support them. The company also developed the Close Quarter Battlesight for the UK military and introduced the civilian-oriented Close Quarter Sportsight in 2011. Its Mini Sight design is also known for a patented mechanism intended to allow co-witnessing with standard iron sights.

Main Features

• Manufacturer: Shield Sights
• Mount series: Shield CQS/SIS
• Made in: United Kingdom
• Mounting standard: Shield SIS/CQS
• Material: Aluminium
• Compatibility: Shield SIS/CQS Mounting Standard

Warranty

2 years. Shield Sights covers this mount with a 2-year warranty, providing defined support for defects in materials and workmanship during the stated period.